It is limitation of modern browser, first browser was browser-editor. Opera Unite was a server running in the browser, have not tried it though... There is Web

It is limitation of modern browser, first browser was browser-editor. Opera Unite was a server running in the browser, have not tried it though... There is Web Server as Chrome extension [1], MIT license. PWA should be able to intercept PUT request and stub GET request with empty page. [1] https://chrome.google.com/webstore/detail/web-server-for-chrome/ofhbbkphhbklhfoeikjpcbhemlocgigb https://chrome.google.com/webstore/detail/web-server-for-chr... [2] https://github.com/kzahel/web-server-chrome https://github.com/kzahel/web-server-chrome